What dream do you most cherish? What are your most cherished memories? What are your strongest desires? What is your strongest memory? What is your strongest desire? Dreams can be wishes, desires, or something you hope for. Dreams can be thoughts while you are sleeping. It is important to clarify what definition of dream(s) you are speaking about.

Correction: What are your cherished dreams or What is your cherished dream? My dream is to give up work and just travel the world:)